diff options
Diffstat (limited to 'alsa-utils/alsamixer')
| -rw-r--r-- | alsa-utils/alsamixer/Makefile.am | 10 | ||||
| -rw-r--r-- | alsa-utils/alsamixer/Makefile.in | 504 | ||||
| -rw-r--r-- | alsa-utils/alsamixer/README | 84 | ||||
| -rw-r--r-- | alsa-utils/alsamixer/alsamixer.1 | 174 | ||||
| -rw-r--r-- | alsa-utils/alsamixer/alsamixer.c | 2408 |
5 files changed, 0 insertions, 3180 deletions
diff --git a/alsa-utils/alsamixer/Makefile.am b/alsa-utils/alsamixer/Makefile.am deleted file mode 100644 index 6426193..0000000 --- a/alsa-utils/alsamixer/Makefile.am +++ /dev/null @@ -1,10 +0,0 @@ -AM_CFLAGS = @CURSES_CFLAGS@ -DCURSESINC="@CURSESINC@" -LDADD = @CURSESLIB@ - -bin_PROGRAMS = alsamixer -man_MANS = alsamixer.1 -EXTRA_DIST = alsamixer.1 -alsamixer_INCLUDES = -I$(top_srcdir)/include - -#LDFLAGS = -static -#CFLAGS += -g -Wall diff --git a/alsa-utils/alsamixer/Makefile.in b/alsa-utils/alsamixer/Makefile.in deleted file mode 100644 index 1332bff..0000000 --- a/alsa-utils/alsamixer/Makefile.in +++ /dev/null @@ -1,504 +0,0 @@ -# Makefile.in generated by automake 1.9.6 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005 Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - 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See below... -alsamixer -c N selects the soundcard to control, where N is the number of -the card, counting from 1. -alsamixer -m selects which mixer device to control, counting from 0. This -is only applicable to soundcards that have more than one mixer to -control. It is the same as the amixer -d flag. - - -Keyboard commands: -================== - -Left & right arrow keys are used to select the channel (or device, -depending on your preferred terminology). You can also use n (next) -and p (previous). - -Up/down arrows control the volume for the currently selected device. -Both the left & right signals are controlled. -You can also use "+" or "-" to turn volumes up or down. - -"M" toggles muting for the current channel (both left and right). You can -mute left and right independently by using , and . respectively. - -SPACE toggles recording: the current channel will be added or removed from -the sources used for recording. This only works on valid input channels, -of course. - -"L" re-draws the screen. - -TAB does something interesting: it toggles the mode for volume display. -This affects the numbers you see, but not the operation of the level -controls. There seem to be two modes: one is percentages from 0-100, the -other is called "exact mode" and varies from channel to channel. This -shows you the settings as the soundcard understands them. All the channel -level ranges are from 0 to a power of 2 minus one (e.g. 0-31 or 0-63). - -Quick Volume Changes --------------------- - -PageUp increases volume by 10. -PageDown decreases volume by 10. -Home sets volume to 100. -End sets volume to 0. - -You can also control left & right levels for the current channel -independently, -according to this chart: - -Q | W | E <-- UP -------------- -Z | X | C <---DOWN - -^ ^ ^ -| | +-- Right -| | -| +--- Both -| -Left - - -If the current mixer channel is not a stereo channel, then all UP keys -will work like W, and all DOWN keys will work like X. - - -Exiting -======= - -You can exit with ALT + Q, or by hitting ESC. - - ------------------------------------------------------------------ - -Alsamixer has been written by Tim Janik <timj@gtk.org> and -been furtherly improved by Jaroslav Kysela <perex@perex.cz>. -This document was provided by Paul Winkler <zarmzarm@erols.com>. diff --git a/alsa-utils/alsamixer/alsamixer.1 b/alsa-utils/alsamixer/alsamixer.1 deleted file mode 100644 index 47d8aed..0000000 --- a/alsa-utils/alsamixer/alsamixer.1 +++ /dev/null @@ -1,174 +0,0 @@ -.TH ALSAMIXER 1 "15 May 2001" -.SH NAME -alsamixer \- soundcard mixer for ALSA soundcard driver, with ncurses interface -.SH SYNOPSIS - -\fBalsamixer\fP [\fIoptions\fP] - -.SH DESCRIPTION -\fBalsamixer\fP is an ncurses mixer program for use with the ALSA -soundcard drivers. It supports multiple soundcards with multiple devices. - -.SH OPTIONS - -.TP -\fI\-h, \-help\fP -Help: show available flags. - -.TP -\fI\-c\fP <card number or identification> -Select the soundcard to use, if you have more than one. Cards are -numbered from 0 (the default). - -.TP -\fI\-D\fP <device identification> -Select the mixer device to control. - -.TP -\fI\-g\fP -Toggle the using of colors. - -.TP -\fI\-s\fP -Minimize the mixer window. - -.TP -\fI\-V\fP <view mode> -Select the starting view mode, either \fIplayback\fP, \fIcapture\fP or \fIall\fP. - -.SH MIXER VIEWS - -The top-left corner of \fBalsamixer\fP is the are to show some basic -information: the card name, the mixer chip name, the current view -mode and the currently selected mixer item. -When the mixer item is switched off, \fI[Off]\fP is displayed in its -name. - -Volume bars are located below the basic information area. You can -scroll left/right when all controls can't be put in a single screen. -The name of each control is shown in the bottom below the volume bars. -The currently selected item is drawn in red and/of emphasized. - -Each mixer control with volume capability shows a box and the current -volume filled in that box. The volume percentages are displayed below -the volume bar for left and right channels. For a mono control, only -one value is shown there. - -When a mixer control is turned off, \fIM\fP (mute) appears below the -volume bar. When it's turned on, \fIO\fP in green appears instead. -You can toggle the switch via \fIm\fP key. - -When a mixer control has capture capability, the capture flag appears -below the volume bar, too. When the capture is turned off, -\-\-\-\-\-\- is shown. \fICAPTUR\fP in red appears when the -capture switch is turned on. In addition, \fIL\fP and \fIR\fP letters -appear in left and right side to indicate that left and the right -channels are turned on. - -Some controls have the enumeration list, and don't show boxes but only -texts which indicate the currently active item. You can change the -item via up/down keys. - -.SH VIEW MODES -\fBalsamixer\fP has three view modes: playback, capture and all. -In the playback view, only the controls related with playback are shown. -Similarly, only the controls for capture (recording) are shown in the capture -view. The all view mode shows all controls. The current view mode is displayed -in the top-left position together with the mixer name, etc. - -The default view mode is the playback view. You can change it via -\fI-V\fP option. - -Each view mode can be switched via keyboard commands, too. -See the next section. - -.SH KEYBOARD COMMANDS -\fBalsamixer\fP recognizes the following keyboard commands to control the soundcard. -Commands shown here in upper case can also be given in lower case. -To be reminded of these keystrokes, hit the \fIh\fP key. - -.SS -General Controls - -The \fILeft\fP and \fIright arrow\fP keys are used to select the -channel (or device, depending on your preferred terminology). You can -also use \fIn\fP ("next") and \fIp\fP ("previous"). - -The \fIUp\fP and \fIDown Arrows\fP control the volume for the -currently selected device. You can also use \fI+\fP or \fI\-\fP for the -same purpose. Both the left and right signals are affected. For -independent left and right control, see below. - -The \fIB\fP or \fI=\fP key adjusts the balance of volumes on left and -right channels. - -\fIM\fP toggles muting for the current channel (both left and right). -If the hardware supports it, you can -mute left and right independently by using \fI,\fP (or \fI<\fP) and -\fI.\fP (or \fI>\fP) respectively. - -\fISPACE\fP enables recording for the current channel. If any other -channels have recording enabled, they will have their recording function -disabled first. This only works for valid input channels, of course. - -\fIL\fP re-draws the screen. - -.SS -View Mode Controls -Function keys are used to change view modes. -You can switch to the help mode and the proc info mode via \fIF1\fP and -\fIF2\fP keys, respectively. -On terminals that can't use function keys like gnome\-terminal, \fI?\fP and -\fI/\fP keys can be used alternatively for help and proc modes. - -\fIF3\fP, \fIF4\fP and \fIF5\fP keys are used to switch to playback, capture -and all view mode, respectively. \fITAB\fP key toggles the -current view mode circularly. - -.SS -Quick Volume Changes - -\fIPageUp\fP increases volume by 5. - -\fIPageDown\fP decreases volume by 5. - -\fIEnd\fP sets volume to 0. - -You can also control left & right levels for the current channel -independently, as follows: - -[\fIQ\fP | \fIW\fP | \fIE\fP ] -- turn UP [ left | both | right ] - -[\fIZ\fP | \fIX\fP | \fIC\fP ] -- turn DOWN [ left | both | right ] - -If the currently selected mixer channel is not a stereo channel, then -all UP keys will work like \fIW\fP, and all DOWN keys will work like \fIX\fP. - -The number keys from \fI0\fP to \fI9\fP are to change the absolute volume -quickly. They correspond to 0 to 90% volume. - -.SS -Exiting - -Quit the program with \fIALT Q\fP, or by hitting \fIESC\fP. -Please note that you might need to hit \fIESC\fP twice on some terminals -since it's regarded as a prefix key. - -.SH SEE ALSO -\fB -amixer(1), -aplay(1), -arecord(1) -\fP - -.SH BUGS -Some terminal emulators (e.g. \fBnxterm\fP) may not -work quite right with ncurses, but that's their own damn -fault. Plain old \fBxterm\fP seems to be fine. - -.SH AUTHOR -.B alsamixer -has been written by Tim Janik <timj@gtk.org> and -been further improved by Jaroslav Kysela <perex@perex.cz>. - -This manual page was provided by Paul Winkler <zarmzarm@erols.com>. diff --git a/alsa-utils/alsamixer/alsamixer.c b/alsa-utils/alsamixer/alsamixer.c deleted file mode 100644 index 414033e..0000000 --- a/alsa-utils/alsamixer/alsamixer.c +++ /dev/null @@ -1,2408 +0,0 @@ -/* AlsaMixer - Commandline mixer for the ALSA project Copyright (C) 1998, - * 1999 Tim Janik <timj@gtk.org> and Jaroslav Kysela <perex@perex.cz> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * - * ChangeLog: - * - * Wed Feb 14 13:08:17 CET 2001 Jaroslav Kysela <perex@perex.cz> - * - * * ported to the latest mixer 0.9.x API (function based) - * - * Fri Jun 23 14:10:00 MEST 2000 Jaroslav Kysela <perex@perex.cz> - * - * * ported to new mixer 0.9.x API (simple control) - * * improved error handling (mixer_abort) - * - * Thu Mar 9 22:54:16 MET 2000 Takashi iwai <iwai@ww.uni-erlangen.de> - * - * * a group is split into front, rear, center and woofer elements. - * - * Mon Jan 3 23:33:42 MET 2000 Jaroslav Kysela <perex@perex.cz> - * - * * version 1.00 - * - * * ported to new mixer API (scontrol control) - * - * Sun Feb 21 19:55:01 1999 Tim Janik <timj@gtk.org> - * - * * bumped version to 0.10. - * - * * added scrollable text views. - * we now feature an F1 Help screen and an F2 /proc info screen. - * the help screen does still require lots of work though. - * - * * keys are evaluated view specific now. - * - * * we feature meta-keys now, e.g. M-Tab as back-tab. - * - * * if we are already in channel view and the user still hits Return, - * we do a refresh nonetheless, since 'r'/'R' got removed as a redraw - * key (reserved for capture volumes). 'l'/'L' is still preserved though, - * and actually needs to be to e.g. get around the xterm bold-artefacts. - * - * * support terminals that can't write into lower right corner. - * - * * undocumented '-s' option that will keep the screen to its - * minimum size, usefull for debugging only. - * - * Sun Feb 21 02:23:52 1999 Tim Janik <timj@gtk.org> - * - * * don't abort if snd_mixer_* functions failed due to EINTR, - * we simply retry on the next cycle. hopefully asoundlib preserves - * errno states correctly (Jaroslav can you asure that?). - * - * * feature WINCH correctly, so we make a complete relayout on - * screen resizes. don't abort on too-small screen sizes anymore, - * but simply beep. - * - * * redid the layout algorithm to fix some bugs and to preserve - * space for a flag indication line. the channels are - * nicer spread horizontally now (i.e. we also pad on the left and - * right screen bounds now). - * - * * various other minor fixes. - * - * * indicate whether ExactMode is active or not. - * - * * fixed coding style to follow the GNU coding conventions. - * - * * reverted capture volume changes since they broke ExactMode display. - * - * * composed ChangeLog entries. - * - * 1998/11/04 19:43:45 perex - * - * * Stereo capture source and route selection... - * provided by Carl van Schaik <carl@dreamcoat.che.uct.ac.za>. - * - * 1998/09/20 08:05:24 perex - * - * * Fixed -m option... - * - * 1998/10/29 22:50:10 - * - * * initial checkin of alsamixer.c, written by Tim Janik, modified by - * Jaroslav Kysela to feature asoundlib.h instead of plain ioctl()s and - * automated updates after select() (i always missed that with OSS!). - */ - -#define _GNU_SOURCE -#include <stdio.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/ioctl.h> - -#include <errno.h> - -#include <string.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/signal.h> -#include <sys/time.h> - -#include <locale.h> - -#ifndef CURSESINC -#include <ncurses.h> -#else -#include CURSESINC -#endif -#include <time.h> - -#include <alsa/asoundlib.h> -#include "aconfig.h" - -/* example compilation commandline: - * clear; gcc -Wall -pipe -O2 alsamixer.c -o alsamixer -lasound -lncurses - */ - -/* --- defines --- */ -#define PRGNAME "alsamixer" -#define PRGNAME_UPPER "AlsaMixer" -#define CHECK_ABORT(e,s,n) ({ if ((n) != -EINTR) mixer_abort ((e), (s), (n)); }) -#define GETCH_BLOCK(w) ({ timeout ((w) ? -1 : 0); }) - -#undef MAX -#define MAX(a, b) (((a) > (b)) ? (a) : (b)) -#undef MIN -#define MIN(a, b) (((a) < (b)) ? (a) : (b)) -#undef ABS -#define ABS(a) (((a) < 0) ? -(a) : (a)) -#undef CLAMP -#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) - -#define MIXER_MIN_X (18) /* abs minimum: 18 */ -#define MIXER_TEXT_Y (10) -#define MIXER_CBAR_STD_HGT (10) -#define MIXER_MIN_Y (MIXER_TEXT_Y + 6) /* abs minimum: 16 */ - -#define MIXER_BLACK (COLOR_BLACK) -#define MIXER_DARK_RED (COLOR_RED) -#define MIXER_RED (COLOR_RED | A_BOLD) -#define MIXER_GREEN (COLOR_GREEN | A_BOLD) -#define MIXER_ORANGE (COLOR_YELLOW) -#define MIXER_YELLOW (COLOR_YELLOW | A_BOLD) -#define MIXER_MARIN (COLOR_BLUE) -#define MIXER_BLUE (COLOR_BLUE | A_BOLD) -#define MIXER_MAGENTA (COLOR_MAGENTA) -#define MIXER_DARK_CYAN (COLOR_CYAN) -#define MIXER_CYAN (COLOR_CYAN | A_BOLD) -#define MIXER_GREY (COLOR_WHITE) -#define MIXER_GRAY (MIXER_GREY) -#define MIXER_WHITE (COLOR_WHITE | A_BOLD) - - -/* --- views --- */ -enum { - VIEW_CHANNELS, - VIEW_PLAYBACK, - VIEW_CAPTURE, - VIEW_HELP, - VIEW_PROCINFO -}; - - -/* --- variables --- */ -static WINDOW *mixer_window = NULL; -static int mixer_needs_resize = 0; -static int mixer_minimize = 0; -static int mixer_no_lrcorner = 0; -static int mixer_view = VIEW_PLAYBACK; -static int mixer_view_saved = VIEW_PLAYBACK; -static int mixer_max_x = 0; -static int mixer_max_y = 0; -static int mixer_ofs_x = 0; -static float mixer_extra_space = 0; -static int mixer_cbar_height = 0; -static int mixer_text_y = MIXER_TEXT_Y; - -static char card_id[64] = "default"; -static snd_mixer_t *mixer_handle; -static char mixer_card_name[128]; -static char mixer_device_name[128]; -static int mixer_level = 0; -static struct snd_mixer_selem_regopt mixer_options; - -/* mixer bar channel : left or right */ -#define MIXER_CHN_LEFT 0 -#define MIXER_CHN_RIGHT 1 -/* mask for toggle mute and capture */ -#define MIXER_MASK_LEFT (1 << 0) -#define MIXER_MASK_RIGHT (1 << 1) -#define MIXER_MASK_STEREO (MIXER_MASK_LEFT|MIXER_MASK_RIGHT) - -/* mixer split types */ -enum { - MIXER_ELEM_FRONT, MIXER_ELEM_REAR, - MIXER_ELEM_CENTER, MIXER_ELEM_WOOFER, - MIXER_ELEM_SIDE, - MIXER_ELEM_CAPTURE, - MIXER_ELEM_ENUM, MIXER_ELEM_CAPTURE_ENUM, - MIXER_ELEM_END -}; - -#define MIXER_ELEM_TYPE_MASK 0xff -#define MIXER_ELEM_CAPTURE_SWITCH 0x100 /* bit */ -#define MIXER_ELEM_MUTE_SWITCH 0x200 /* bit */ -#define MIXER_ELEM_CAPTURE_SUFFIX 0x400 -#define MIXER_ELEM_HAS_VOLUME 0x800 - -/* left and right channels for each type */ -static const snd_mixer_selem_channel_id_t mixer_elem_chn[][2] = { - { SND_MIXER_SCHN_FRONT_LEFT, SND_MIXER_SCHN_FRONT_RIGHT }, - { SND_MIXER_SCHN_REAR_LEFT, SND_MIXER_SCHN_REAR_RIGHT }, - { SND_MIXER_SCHN_FRONT_CENTER, SND_MIXER_SCHN_UNKNOWN }, - { SND_MIXER_SCHN_WOOFER, SND_MIXER_SCHN_UNKNOWN }, - { SND_MIXER_SCHN_SIDE_LEFT, SND_MIXER_SCHN_SIDE_RIGHT }, - { SND_MIXER_SCHN_FRONT_LEFT, SND_MIXER_SCHN_FRONT_RIGHT }, -}; - -static void *mixer_sid = NULL; -static int mixer_n_selems = 0; -static int mixer_changed_state = 1; - -/* split scontrols */ -static int mixer_n_elems = 0; -static int mixer_n_view_elems = 0; -static int mixer_n_vis_elems = 0; -static int mixer_first_vis_elem = 0; -static int mixer_focus_elem = 0; -static int mixer_have_old_focus = 0; -static int *mixer_grpidx; -static int *mixer_type; - -static int mixer_volume_delta[2]; /* left/right volume delta in % */ -static int mixer_volume_absolute = -1; /* absolute volume settings in % */ -static int mixer_balance_volumes = 0; /* boolean */ -static unsigned mixer_toggle_mute = 0; /* left/right mask */ -static unsigned mixer_toggle_capture = 0; /* left/right mask */ - -static int mixer_hscroll_delta = 0; -static int mixer_vscroll_delta = 0; - - -/* --- text --- */ -static int mixer_procinfo_xoffs = 0; -static int mixer_procinfo_yoffs = 0; -static int mixer_help_xoffs = 0; -static int mixer_help_yoffs = 0; -static char *mixer_help_text = -( - " Esc exit alsamixer\n" - " F1 ? show Help screen\n" - " F2 / show /proc info screen\n" - " F3 show Playback controls only\n" - " F4 show Capture controls only\n" - " F5 show all controls\n" - " Tab toggle view mode\n" - " Return return to main screen\n" - " Space toggle Capture facility\n" - " m M toggle mute on both channels\n" - " < > toggle mute on left/right channel\n" - " Up increase left and right volume\n" - " Down decrease left and right volume\n" - " Right move (scroll) to the right next channel\n" - " Left move (scroll) to the left next channel\n" - "\n" - "Alsamixer has been written and is Copyrighted in 1998, 1999 by\n" - "Tim Janik <timj@gtk.org> and Jaroslav Kysela <perex@perex.cz>.\n" - ); - - -/* --- draw contexts --- */ -enum { - DC_DEFAULT, - DC_BACK, - DC_TEXT, - DC_PROMPT, - DC_CBAR_FRAME, - DC_CBAR_MUTE, - DC_CBAR_NOMUTE, - DC_CBAR_CAPTURE, - DC_CBAR_NOCAPTURE, - DC_CBAR_EMPTY, - DC_CBAR_LABEL, - DC_CBAR_FOCUS_LABEL, - DC_FOCUS, - DC_ANY_1, - DC_ANY_2, - DC_ANY_3, - DC_ANY_4, - DC_LAST -}; - -static int dc_fg[DC_LAST] = { 0 }; -static int dc_attrib[DC_LAST] = { 0 }; -static int dc_char[DC_LAST] = { 0 }; -static int mixer_do_color = 1; - -static void -mixer_init_dc (int c, - int n, - int f, - int b, - int a) -{ - dc_fg[n] = f; - dc_attrib[n] = a; - dc_char[n] = c; - if (n > 0) - init_pair (n, dc_fg[n] & 0xf, b & 0x0f); -} - -static int -mixer_dc (int n) -{ - if (mixer_do_color) - attrset (COLOR_PAIR (n) | (dc_fg[n] & 0xfffffff0)); - else - attrset (dc_attrib[n]); - - return dc_char[n]; -} - -static void -mixer_init_draw_contexts (void) -{ - start_color (); - - mixer_init_dc ('.', DC_BACK, MIXER_WHITE, MIXER_BLACK, A_NORMAL); - mixer_init_dc ('.', DC_TEXT, MIXER_YELLOW, MIXER_BLACK, A_BOLD); - mixer_init_dc ('.', DC_PROMPT, MIXER_DARK_CYAN, MIXER_BLACK, A_NORMAL); - mixer_init_dc ('.', DC_CBAR_FRAME, MIXER_CYAN, MIXER_BLACK, A_BOLD); - mixer_init_dc ('M', DC_CBAR_MUTE, MIXER_DARK_CYAN, MIXER_BLACK, A_NORMAL); - mixer_init_dc ('O', DC_CBAR_NOMUTE, MIXER_WHITE, MIXER_GREEN, A_BOLD); - mixer_init_dc ('x', DC_CBAR_CAPTURE, MIXER_DARK_RED, MIXER_BLACK, A_BOLD); - mixer_init_dc ('-', DC_CBAR_NOCAPTURE, MIXER_GRAY, MIXER_BLACK, A_NORMAL); - mixer_init_dc (' ', DC_CBAR_EMPTY, MIXER_GRAY, MIXER_BLACK, A_DIM); - mixer_init_dc ('.', DC_CBAR_LABEL, MIXER_WHITE, MIXER_BLUE, A_REVERSE | A_BOLD); - mixer_init_dc ('.', DC_CBAR_FOCUS_LABEL, MIXER_RED, MIXER_BLUE, A_REVERSE | A_BOLD); - mixer_init_dc ('.', DC_FOCUS, MIXER_RED, MIXER_BLACK, A_BOLD); - mixer_init_dc (ACS_CKBOARD, DC_ANY_1, MIXER_WHITE, MIXER_WHITE, A_BOLD); - mixer_init_dc (ACS_CKBOARD, DC_ANY_2, MIXER_GREEN, MIXER_GREEN, A_BOLD); - mixer_init_dc (ACS_CKBOARD, DC_ANY_3, MIXER_RED, MIXER_RED, A_BOLD); - mixer_init_dc ('.', DC_ANY_4, MIXER_WHITE, MIXER_BLUE, A_BOLD); -} - -#define DC_FRAME (DC_PROMPT) - - -/* --- error types --- */ -typedef enum -{ - ERR_NONE, - ERR_OPEN, - ERR_FCN, - ERR_SIGNAL, - ERR_WINSIZE, -} ErrType; - - -/* --- prototypes --- */ -static void -mixer_abort (ErrType error, - const char *err_string, - int xerrno) - __attribute__ -((noreturn)); - - -/* --- functions --- */ -static void -mixer_clear (int full_redraw) -{ - int x, y; - int f = full_redraw ? 0 : 1; - - mixer_dc (DC_BACK); - - if (full_redraw) - clearok (mixer_window, TRUE); - - /* buggy ncurses doesn't really write spaces with the specified - * color into the screen on clear () or erase () - */ - for (x = f; x < mixer_max_x - f; x++) - for (y = f; y < mixer_max_y - f; y++) - mvaddch (y, x, ' '); -} - -static void -mixer_abort (ErrType error, - const char *err_string, - int xerrno) -{ - if (mixer_window) - { - mixer_clear (TRUE); - refresh (); - keypad (mixer_window, FALSE); - leaveok (mixer_window, FALSE); - endwin (); - mixer_window = NULL; - } - printf ("\n"); - - switch (error) - { - case ERR_OPEN: - fprintf (stderr, - PRGNAME ": function %s failed for %s: %s\n", - err_string, - card_id, - snd_strerror (xerrno)); - break; - case ERR_FCN: - fprintf (stderr, - PRGNAME ": function %s failed: %s\n", - err_string, - snd_strerror (xerrno)); - break; - case ERR_SIGNAL: - fprintf (stderr, - PRGNAME ": aborting due to signal `%s'\n", - err_string); - break; - case ERR_WINSIZE: - fprintf (stderr, - PRGNAME ": screen size too small (%dx%d)\n", - mixer_max_x, - mixer_max_y); - break; - default: - break; - } - - exit (error); -} - -static int -mixer_cbar_get_pos (int elem_index, - int *x_p, - int *y_p) -{ - int x; - int y; - - if (elem_index < mixer_first_vis_elem || - elem_index - mixer_first_vis_elem >= mixer_n_vis_elems) - return FALSE; - - elem_index -= mixer_first_vis_elem; - - x = mixer_ofs_x; - x += (3 + 2 + 3 + 1) * elem_index + mixer_extra_space * (elem_index + 1); - - if (mixer_text_y + MIXER_CBAR_STD_HGT < mixer_max_y) - y = (mixer_text_y + mixer_cbar_height) / 2 - 1 + mixer_max_y / 2; - else - y = mixer_text_y - 1 + mixer_cbar_height; - if (y >= mixer_max_y - 1) - y = mixer_max_y - 2; - if (x_p) - *x_p = x; - if (y_p) - *y_p = y; - - return TRUE; -} - -static int -mixer_conv(int val, int omin, int omax, int nmin, int nmax) -{ - float orange = omax - omin, nrange = nmax - nmin; - - if (orange == 0) - return 0; - return ((nrange * (val - omin)) + (orange / 2)) / orange + nmin; -} - -static int -mixer_calc_volume(snd_mixer_elem_t *elem, - int vol, int type, - snd_mixer_selem_channel_id_t chn) -{ - int vol1; - long v; - long min, max; - if (type != MIXER_ELEM_CAPTURE) - snd_mixer_selem_get_playback_volume_range(elem, &min, &max); - else - snd_mixer_selem_get_capture_volume_range(elem, &min, &max); - vol1 = (vol < 0) ? -vol : vol; - if (vol1 > 0) { - if (vol1 > 100) - vol1 = max; - else - vol1 = mixer_conv(vol1, 0, 100, min, max); - /* Note: we have delta in vol1 and we need to map our */ - /* delta value to hardware range */ - vol1 -= min; - if (vol1 <= 0) - vol1 = 1; - if (vol < 0) - vol1 = -vol1; - } - if (type != MIXER_ELEM_CAPTURE) - snd_mixer_selem_get_playback_volume(elem, chn, &v); - else - snd_mixer_selem_get_capture_volume(elem, chn, &v); - vol1 += v; - return CLAMP(vol1, min, max); -} - -static int -mixer_convert_volume(snd_mixer_elem_t *elem, - int vol, int type) -{ - long min, max; - if (type != MIXER_ELEM_CAPTURE) - snd_mixer_selem_get_playback_volume_range(elem, &min, &max); - else - snd_mixer_selem_get_capture_volume_range(elem, &min, &max); - return mixer_conv(vol, 0, 100, min, max); -} - -/* update enum list */ -static void update_enum_list(snd_mixer_elem_t *elem, int chn, int delta) -{ - unsigned int eidx; - if (snd_mixer_selem_get_enum_item(elem, chn, &eidx) < 0) - return; - if (delta < 0) { - if (eidx == 0) - return; - eidx--; - } else { - int items = snd_mixer_selem_get_enum_items(elem); - if (items < 0) - return; - eidx++; - if (eidx >= items) - return; - } - snd_mixer_selem_set_enum_item(elem, chn, eidx); -} - -/* set new channel values - */ -static void -mixer_write_cbar (int elem_index) -{ - snd_mixer_elem_t *elem; - int vleft, vright, vbalance; - int type; - snd_mixer_selem_id_t *sid; - snd_mixer_selem_channel_id_t chn_left, chn_right, chn; - int sw; - - if (mixer_sid == NULL) - return; - - sid = (snd_mixer_selem_id_t *)(((char *)mixer_sid) + snd_mixer_selem_id_sizeof() * mixer_grpidx[elem_index]); - elem = snd_mixer_find_selem(mixer_handle, sid); - if (elem == NULL) - CHECK_ABORT (ERR_FCN, "snd_mixer_find_selem()", -EINVAL); - type = mixer_type[elem_index] & MIXER_ELEM_TYPE_MASK; - chn_left = mixer_elem_chn[type][MIXER_CHN_LEFT]; - chn_right = mixer_elem_chn[type][MIXER_CHN_RIGHT]; - if (chn_right != SND_MIXER_SCHN_UNKNOWN) { - if (type != MIXER_ELEM_CAPTURE) { - if (!snd_mixer_selem_has_playback_channel(elem, chn_right)) - chn_right = SND_MIXER_SCHN_UNKNOWN; - } else { - if (!snd_mixer_selem_has_capture_channel(elem, chn_right)) - chn_right = SND_MIXER_SCHN_UNKNOWN; - } - } - - /* volume - */ - if ((mixer_volume_delta[MIXER_CHN_LEFT] || - mixer_volume_delta[MIXER_CHN_RIGHT] || - mixer_volume_absolute != -1 || - mixer_balance_volumes) && - (mixer_type[elem_index] & MIXER_ELEM_HAS_VOLUME)) { - int mono; - int joined; - mono = (chn_right == SND_MIXER_SCHN_UNKNOWN); - if (type != MIXER_ELEM_CAPTURE) - joined = snd_mixer_selem_has_playback_volume_joined(elem); - else - joined = snd_mixer_selem_has_capture_volume_joined(elem); - mono |= joined; - if (mixer_volume_absolute != -1) { - vbalance = vright = vleft = mixer_convert_volume(elem, mixer_volume_absolute, type); - } else { - if (mono && !mixer_volume_delta[MIXER_CHN_LEFT]) - mixer_volume_delta[MIXER_CHN_LEFT] = mixer_volume_delta[MIXER_CHN_RIGHT]; - vleft = mixer_calc_volume(elem, mixer_volume_delta[MIXER_CHN_LEFT], type, chn_left); - vbalance = vleft; - if (! mono) { - vright = mixer_calc_volume(elem, mixer_volume_delta[MIXER_CHN_RIGHT], type, chn_right); - vbalance += vright; - vbalance /= 2; - } else { - vright = vleft; - } - } - - if (joined) { - for (chn = 0; chn < SND_MIXER_SCHN_LAST; chn++) - if (type != MIXER_ELEM_CAPTURE) { - if (snd_mixer_selem_has_playback_channel(elem, chn)) - snd_mixer_selem_set_playback_volume(elem, chn, vleft); - } else { - if (snd_mixer_selem_has_capture_channel(elem, chn)) - snd_mixer_selem_set_capture_volume(elem, chn, vleft); - } - } else { - if (mixer_balance_volumes) - vleft = vright = vbalance; - if (type != MIXER_ELEM_CAPTURE) { - if (snd_mixer_selem_has_playback_volume(elem) && - snd_mixer_selem_has_playback_channel(elem, chn_left)) - snd_mixer_selem_set_playback_volume(elem, chn_left, vleft); - } else { - if (snd_mixer_selem_has_capture_volume(elem) && - snd_mixer_selem_has_capture_channel(elem, chn_left)) - snd_mixer_selem_set_capture_volume(elem, chn_left, vleft); - } - if (! mono) { - if (type != MIXER_ELEM_CAPTURE) { - if (snd_mixer_selem_has_playback_volume(elem) && - snd_mixer_selem_has_playback_channel(elem, chn_right)) - snd_mixer_selem_set_playback_volume(elem, chn_right, vright); - } else { - if (snd_mixer_selem_has_capture_volume(elem) && - snd_mixer_selem_has_capture_channel(elem, chn_right)) - snd_mixer_selem_set_capture_volume(elem, chn_right, vright); - } - } - } - } - - /* mute - */ - if (mixer_type[elem_index] & MIXER_ELEM_MUTE_SWITCH) { - if (mixer_toggle_mute) { - if (snd_mixer_selem_has_playback_switch_joined(elem)) { - snd_mixer_selem_get_playback_switch(elem, chn_left, &sw); - snd_mixer_selem_set_playback_switch_all(elem, !sw); - } else { - if (mixer_toggle_mute & MIXER_MASK_LEFT) { - snd_mixer_selem_get_playback_switch(elem, chn_left, &sw); - snd_mixer_selem_set_playback_switch(elem, chn_left, !sw); - } - if (chn_right != SND_MIXER_SCHN_UNKNOWN && - (mixer_toggle_mute & MIXER_MASK_RIGHT)) { - snd_mixer_selem_get_playback_switch(elem, chn_right, &sw); - snd_mixer_selem_set_playback_switch(elem, chn_right, !sw); - } - } - } - } - mixer_toggle_mute = 0; - - /* capture - */ - if (mixer_type[elem_index] & MIXER_ELEM_CAPTURE_SWITCH) { - if (mixer_toggle_capture && snd_mixer_selem_has_capture_switch(elem)) { - if (snd_mixer_selem_has_capture_switch_joined(elem)) { - snd_mixer_selem_get_capture_switch(elem, chn_left, &sw); - snd_mixer_selem_set_capture_switch_all(elem, !sw); - } else { - if ((mixer_toggle_capture & MIXER_MASK_LEFT) && - snd_mixer_selem_has_capture_channel(elem, chn_left)) { - snd_mixer_selem_get_capture_switch(elem, chn_left, &sw); - snd_mixer_selem_set_capture_switch(elem, chn_left, !sw); - } - if (chn_right != SND_MIXER_SCHN_UNKNOWN && - snd_mixer_selem_has_capture_channel(elem, chn_right) && - (mixer_toggle_capture & MIXER_MASK_RIGHT)) { - snd_mixer_selem_get_capture_switch(elem, chn_right, &sw); - snd_mixer_selem_set_capture_switch(elem, chn_right, !sw); - } - } - } - } - mixer_toggle_capture = 0; - - /* enum list - */ - if (type == MIXER_ELEM_ENUM || type == MIXER_ELEM_CAPTURE_ENUM) { - if (mixer_volume_delta[MIXER_CHN_LEFT]) - update_enum_list(elem, MIXER_CHN_LEFT, mixer_volume_delta[MIXER_CHN_LEFT]); - if (mixer_volume_delta[MIXER_CHN_RIGHT]) - update_enum_list(elem, MIXER_CHN_RIGHT, mixer_volume_delta[MIXER_CHN_RIGHT]); - } - - mixer_volume_delta[MIXER_CHN_LEFT] = mixer_volume_delta[MIXER_CHN_RIGHT] = 0; - mixer_volume_absolute = -1; - mixer_balance_volumes = 0; -} - - -static void draw_blank(int x, int y, int lines) -{ - int i; - - mixer_dc (DC_TEXT); - for (i = 0; i < lines; i++) - mvaddstr (y - i, x, " "); -} - -/* show the current view mode */ -static void display_view_info(void) -{ - mixer_dc (DC_PROMPT); - mvaddstr (3, 2, "View: Playback Capture All "); - mixer_dc (DC_TEXT); - switch (mixer_view) { - case VIEW_PLAYBACK: - mvaddstr (3, 8, "[Playback]"); - break; - case VIEW_CAPTURE: - mvaddstr (3, 18, "[Capture]"); - break; - default: - mvaddstr (3, 27, "[All]"); - break; - } -} - -/* show the information of the focused item */ -static void display_item_info(int elem_index, snd_mixer_selem_id_t *sid, char *extra_info) -{ - char string[64], idxstr[10]; - int idx; - int i, xlen = mixer_max_x - 8; - if (xlen > sizeof(string) - 1) - xlen = sizeof(string) - 1; - mixer_dc (DC_PROMPT); - mvaddstr (4, 2, "Item: "); - mixer_dc (DC_TEXT); - idx = snd_mixer_selem_id_get_index(sid); - if (idx > 0) - snprintf(idxstr, sizeof(idxstr), " %i", snd_mixer_selem_id_get_index(sid)); - snprintf(string, sizeof(string), "%s%s%s%s", - snd_mixer_selem_id_get_name(sid), - (mixer_type[elem_index] & MIXER_ELEM_CAPTURE_SUFFIX) ? " Capture" : "", - idx > 0 ? idxstr : "", - extra_info); - for (i = strlen(string); i < sizeof(string) - 1; i++) - string[i] = ' '; - string[xlen] = '\0'; - addstr(string); -} - -/* show the bar item name */ -static void display_item_name(int x, int y, int elem_index, snd_mixer_selem_id_t *sid) -{ - const char *suffix; - char string1[9], string[9]; - int i; - - mixer_dc (elem_index == mixer_focus_elem ? DC_CBAR_FOCUS_LABEL : DC_CBAR_LABEL); - if (mixer_type[elem_index] & MIXER_ELEM_CAPTURE_SUFFIX) - suffix = " Capture"; - else - suffix = ""; - if (snd_mixer_selem_id_get_index(sid) > 0) - snprintf(string1, sizeof(string1), "%s%s %d", snd_mixer_selem_id_get_name(sid), - suffix, snd_mixer_selem_id_get_index(sid)); - else - snprintf(string1, sizeof(string1), "%s%s", snd_mixer_selem_id_get_name(sid), suffix); - string[8] = 0; - for (i = 0; i < 8; i++) - string[i] = ' '; - memcpy(string + (8 - strlen (string1)) / 2, string1, strlen(string1)); - mvaddstr (y, x, string); -} - -static void display_enum_list(snd_mixer_elem_t *elem, int y, int x) -{ - int cury, ch, err; - - draw_blank(x, y, mixer_cbar_height + (mixer_view == VIEW_PLAYBACK ? 5 : 6)); - - cury = y - 4; - for (ch = 0; ch < 2; ch++) { - unsigned int eidx, ofs; - char tmp[9]; - err = snd_mixer_selem_get_enum_item(elem, ch, &eidx); - if (err < 0) - break; - if (snd_mixer_selem_get_enum_item_name(elem, eidx, sizeof(tmp) - 1, tmp) < 0) - break; - tmp[8] = 0; - ofs = (8 - strlen(tmp)) / 2; - mvaddstr(cury, x + ofs, tmp); - cury += 2; - } -} - -static void draw_volume_bar(int x, int y, int elem_index, long vleft, long vright) -{ - int i, dc; - - mixer_dc (DC_CBAR_FRAME); - if (mixer_type[elem_index] & MIXER_ELEM_MUTE_SWITCH) { - mvaddch (y, x + 2, ACS_LTEE); - mvaddch (y, x + 5, ACS_RTEE); - } else { - mvaddch (y, x + 2, ACS_LLCORNER); - mvaddch (y, x + 3, ACS_HLINE); - mvaddch (y, x + 4, ACS_HLINE); - mvaddch (y, x + 5, ACS_LRCORNER); - } - y--; - for (i = 0; i < mixer_cbar_height; i++) - { - mvaddstr (y - i, x, " "); - mvaddch (y - i, x + 2, ACS_VLINE); - mvaddch (y - i, x + 5, ACS_VLINE); - } - for (i = 0; i < mixer_cbar_height; i++) - { - if (i + 1 >= 0.8 * mixer_cbar_height) - dc = DC_ANY_3; - else if (i + 1 >= 0.4 * mixer_cbar_height) - dc = DC_ANY_2; - else - dc = DC_ANY_1; - mvaddch (y, x + 3, mixer_dc (vleft > i * 100 / mixer_cbar_height ? dc : DC_CBAR_EMPTY)); - mvaddch (y, x + 4, mixer_dc (vright > i * 100 / mixer_cbar_height ? dc : DC_CBAR_EMPTY)); - y--; - } - - mixer_dc (DC_CBAR_FRAME); - mvaddstr (y, x, " "); - mvaddch (y, x + 2, ACS_ULCORNER); - mvaddch (y, x + 3, ACS_HLINE); - mvaddch (y, x + 4, ACS_HLINE); - mvaddch (y, x + 5, ACS_URCORNER); -} - -static void draw_playback_switch(int x, int y, int elem_index, int swl, int swr) -{ - int dc; - - mixer_dc (DC_CBAR_FRAME); - mvaddch (y, x + 2, ACS_LLCORNER); - mvaddch (y, x + 3, ACS_HLINE); - mvaddch (y, x + 4, ACS_HLINE); - mvaddch (y, x + 5, ACS_LRCORNER); - mvaddstr (y - 1, x, " "); - mvaddch (y - 1, x + 2, ACS_VLINE); - mvaddch (y - 1, x + 5, ACS_VLINE); - mvaddstr (y - 2, x, " "); - mvaddch (y - 2, x + 2, ACS_ULCORNER); - mvaddch (y - 2, x + 3, ACS_HLINE); - mvaddch (y - 2, x + 4, ACS_HLINE); - mvaddch (y - 2, x + 5, ACS_URCORNER); - dc = swl ? DC_CBAR_NOMUTE : DC_CBAR_MUTE; - mvaddch (y - 1, x + 3, mixer_dc (dc)); - dc = swr ? DC_CBAR_NOMUTE : DC_CBAR_MUTE; - mvaddch (y - 1, x + 4, mixer_dc (dc)); -} - -static void draw_capture_switch(int x, int y, int elem_index, int swl, int swr) -{ - int i; - - if (swl || swr) { - mixer_dc (DC_CBAR_CAPTURE); - mvaddstr (y, x + 1, "CAPTUR"); - } else { - for (i = 0; i < 6; i++) - mvaddch(y, x + i + 1, mixer_dc(DC_CBAR_NOCAPTURE)); - } - mixer_dc (DC_CBAR_CAPTURE); - mvaddch (y - 1, x + 1, swl ? 'L' : ' '); - mvaddch (y - 1, x + 6, swr ? 'R' : ' '); -} - -#ifndef SND_CTL_TLV_DB_GAIN_MUTE -#define SND_CTL_TLV_DB_GAIN_MUTE -9999999 -#endif - -static void dB_value(char *s, long val) -{ - if (val <= SND_CTL_TLV_DB_GAIN_MUTE) - strcpy(s, "mute"); - else - snprintf(s, 10, "%3.2f", (float)val / 100); -} - -static void -mixer_update_cbar (int elem_index) -{ - snd_mixer_elem_t *elem; - long vleft, vright; - int type; - snd_mixer_selem_id_t *sid; - snd_mixer_selem_channel_id_t chn_left, chn_right; - int x, y; - int swl, swr; - char * extra_info; - - /* set new scontrol indices and read info - */ - if (mixer_sid == NULL) - return; - - sid = (snd_mixer_selem_id_t *)(((char *)mixer_sid) + snd_mixer_selem_id_sizeof() * mixer_grpidx[elem_index]); - elem = snd_mixer_find_selem(mixer_handle, sid); - if (elem == NULL) - CHECK_ABORT (ERR_FCN, "snd_mixer_find_selem()", -EINVAL); - - type = mixer_type[elem_index] & MIXER_ELEM_TYPE_MASK; - chn_left = mixer_elem_chn[type][MIXER_CHN_LEFT]; - chn_right = mixer_elem_chn[type][MIXER_CHN_RIGHT]; - if (chn_right != SND_MIXER_SCHN_UNKNOWN) { - if (type != MIXER_ELEM_CAPTURE) { - if (!snd_mixer_selem_has_playback_channel(elem, chn_right)) - chn_right = SND_MIXER_SCHN_UNKNOWN; - } else { - if (!snd_mixer_selem_has_capture_channel(elem, chn_right)) - chn_right = SND_MIXER_SCHN_UNKNOWN; - } - } - - vleft = vright = 0; - if (type != MIXER_ELEM_CAPTURE && snd_mixer_selem_has_playback_volume(elem)) { - long vmin, vmax; - snd_mixer_selem_get_playback_volume_range(elem, &vmin, &vmax); - snd_mixer_selem_get_playback_volume(elem, chn_left, &vleft); - vleft = mixer_conv(vleft, vmin, vmax, 0, 100); - if (chn_right != SND_MIXER_SCHN_UNKNOWN) { - snd_mixer_selem_get_playback_volume(elem, chn_right, &vright); - vright = mixer_conv(vright, vmin, vmax, 0, 100); - } else { - vright = vleft; - } - } - - if (type == MIXER_ELEM_CAPTURE && snd_mixer_selem_has_capture_volume(elem)) { - long vmin, vmax; - snd_mixer_selem_get_capture_volume_range(elem, &vmin, &vmax); - snd_mixer_selem_get_capture_volume(elem, chn_left, &vleft); - vleft = mixer_conv(vleft, vmin, vmax, 0, 100); - if (chn_right != SND_MIXER_SCHN_UNKNOWN) { - snd_mixer_selem_get_capture_volume(elem, chn_right, &vright); - vright = mixer_conv(vright, vmin, vmax, 0, 100); - } else { - vright = vleft; - } - } - - /* update the focused full bar name - */ - if (elem_index == mixer_focus_elem) { - char tmp[50]; - /* control muted? */ - swl = swr = 1; - extra_info = ""; - if (mixer_type[elem_index] & MIXER_ELEM_MUTE_SWITCH) { - snd_mixer_selem_get_playback_switch(elem, chn_left, &swl); - swr = swl; - if (chn_right != SND_MIXER_SCHN_UNKNOWN) - snd_mixer_selem_get_playback_switch(elem, chn_right, &swr); - extra_info = !swl && !swr ? " [Off]" : ""; - } - if (type == MIXER_ELEM_ENUM || type == MIXER_ELEM_CAPTURE_ENUM) { - /* FIXME: should show the item names of secondary and later channels... */ - unsigned int eidx, length; - tmp[0]=' '; - tmp[1]='['; - if (! snd_mixer_selem_get_enum_item(elem, 0, &eidx) && - ! snd_mixer_selem_get_enum_item_name(elem, eidx, sizeof(tmp) - 3, tmp+2)) { - tmp[sizeof(tmp)-2] = 0; - length=strlen(tmp); - tmp[length]=']'; - tmp[length+1]=0; - extra_info = tmp; - } - } - if (type != MIXER_ELEM_CAPTURE && snd_mixer_selem_has_playback_volume(elem)) { - long vdbleft, vdbright; - unsigned int length; - if (!snd_mixer_selem_get_playback_dB(elem, chn_left, &vdbleft)) { - char tmpl[10], tmpr[10]; - dB_value(tmpl, vdbleft); - if ((chn_right != SND_MIXER_SCHN_UNKNOWN) && - (!snd_mixer_selem_get_playback_dB(elem, chn_right, &vdbright))) { - dB_value(tmpr, vdbright); - snprintf(tmp, 48, " [dB gain=%s, %s]", tmpl, tmpr); - } else { - snprintf(tmp, 48, " [dB gain=%s]", tmpl); - } - tmp[sizeof(tmp)-2] = 0; - length=strlen(tmp); - tmp[length+1]=0; - extra_info = tmp; - } - } - if (type == MIXER_ELEM_CAPTURE && snd_mixer_selem_has_capture_volume(elem)) { - long vdbleft, vdbright; - unsigned int length; - if (!snd_mixer_selem_get_capture_dB(elem, chn_left, &vdbleft)) { - char tmpl[10], tmpr[10]; - dB_value(tmpl, vdbleft); - if ((chn_right != SND_MIXER_SCHN_UNKNOWN) && - (!snd_mixer_selem_get_capture_dB(elem, chn_right, &vdbright))) { - dB_value(tmpr, vdbright); - snprintf(tmp, 48, " [dB gain=%s, %s]", tmpl, tmpr); - } else { - snprintf(tmp, 48, " [dB gain=%s]", tmpl); - } - tmp[sizeof(tmp)-2] = 0; - length=strlen(tmp); - tmp[length+1]=0; - extra_info = tmp; - } - } - display_item_info(elem_index, sid, extra_info); - } - - /* get channel bar position - */ - if (!mixer_cbar_get_pos (elem_index, &x, &y)) - return; - - /* channel bar name - */ - display_item_name(x, y, elem_index, sid); - y--; - - /* enum list? */ - if (type == MIXER_ELEM_ENUM || type == MIXER_ELEM_CAPTURE_ENUM) { - display_enum_list(elem, y, x); - return; /* no more to display */ - } - - /* current channel values - */ - mixer_dc (DC_BACK); - mvaddstr (y, x, " "); - if (mixer_type[elem_index] & MIXER_ELEM_HAS_VOLUME) { - char string[4]; - mixer_dc (DC_TEXT); - if (chn_right == SND_MIXER_SCHN_UNKNOWN) { - /* mono */ - snprintf (string, sizeof(string), "%ld", vleft); - mvaddstr (y, x + 4 - strlen (string) / 2, string); - } else { - /* stereo */ - snprintf (string, sizeof(string), "%ld", vleft); - mvaddstr (y, x + 3 - strlen (string), string); - mixer_dc (DC_CBAR_FRAME); - mvaddch (y, x + 3, '<'); - mvaddch (y, x + 4, '>'); - mixer_dc (DC_TEXT); - snprintf (string, sizeof(string), "%ld", vright); - mvaddstr (y, x + 5, string); - } - } - y--; - - /* capture input? - */ - if (mixer_view == VIEW_CAPTURE || mixer_view == VIEW_CHANNELS) { - if ((mixer_type[elem_index] & MIXER_ELEM_CAPTURE_SWITCH) && - snd_mixer_selem_has_capture_switch(elem)) { - int has_r_sw = chn_right != SND_MIXER_SCHN_UNKNOWN && - snd_mixer_selem_has_capture_channel(elem, chn_right); - snd_mixer_selem_get_capture_switch(elem, chn_left, &swl); - if (has_r_sw) - snd_mixer_selem_get_capture_switch(elem, chn_right, &swr); - else - swr = swl; - draw_capture_switch(x, y, elem_index, swl, swr); - } else - draw_blank(x, y, 2); - y--; - } - - /* mute switch */ - if (mixer_view == VIEW_PLAYBACK || mixer_view == VIEW_CHANNELS) { - if (mixer_type[elem_index] & MIXER_ELEM_MUTE_SWITCH) { - snd_mixer_selem_get_playback_switch(elem, chn_left, &swl); - if (chn_right != SND_MIXER_SCHN_UNKNOWN) - snd_mixer_selem_get_playback_switch(elem, chn_right, &swr); - else - swr = swl; - draw_playback_switch(x, y, elem_index, swl, swr); - } else { - mixer_dc (DC_CBAR_FRAME); - mvaddstr (y, x + 2, " "); - draw_blank(x, y - 1, 2); - } - y -= 2; - } - - /* left/right volume bar - */ - if (mixer_type[elem_index] & MIXER_ELEM_HAS_VOLUME) - draw_volume_bar(x, y, elem_index, vleft, vright); - else { - if (mixer_view == VIEW_CAPTURE) - mvaddstr (y, x + 2, " "); - draw_blank(x, y - 1, mixer_cbar_height + 1); - } -} - -static void -mixer_update_cbars (void) -{ - static int o_x = 0; - static int o_y = 0; - int i, x, y; - - display_view_info(); - if (!mixer_cbar_get_pos (mixer_focus_elem, &x, &y)) - { - if (mixer_focus_elem < mixer_first_vis_elem) - mixer_first_vis_elem = mixer_focus_elem; - else if (mixer_focus_elem >= mixer_first_vis_elem + mixer_n_vis_elems) - mixer_first_vis_elem = mixer_focus_elem - mixer_n_vis_elems + 1; - mixer_cbar_get_pos (mixer_focus_elem, &x, &y); - } - if (mixer_first_vis_elem + mixer_n_vis_elems >= mixer_n_view_elems) { - mixer_first_vis_elem = mixer_n_view_elems - mixer_n_vis_elems; - if (mixer_first_vis_elem < 0) - mixer_first_vis_elem = 0; - mixer_cbar_get_pos (mixer_focus_elem, &x, &y); - } - mixer_write_cbar(mixer_focus_elem); - for (i = 0; i < mixer_n_vis_elems; i++) { - if (i + mixer_first_vis_elem >= mixer_n_view_elems) - continue; - mixer_update_cbar (i + mixer_first_vis_elem); - } - - /* draw focused cbar - */ - if (mixer_have_old_focus) - { - mixer_dc (DC_BACK); - mvaddstr (o_y, o_x, " "); - mvaddstr (o_y, o_x + 9, " "); - } - o_x = x - 1; - o_y = y; - mixer_dc (DC_FOCUS); - mvaddstr (o_y, o_x, "<"); - mvaddstr (o_y, o_x + 9, ">"); - mixer_have_old_focus = 1; -} - -static void -mixer_draw_frame (void) -{ - char string[128]; - int i; - int max_len; - - /* card name - */ - mixer_dc (DC_PROMPT); - mvaddstr (1, 2, "Card: "); - mixer_dc (DC_TEXT); - sprintf (string, "%s", mixer_card_name); - max_len = mixer_max_x - 2 - 6 - 2; - if ((int)strlen (string) > max_len) - string[max_len] = 0; - addstr (string); - - /* device name - */ - mixer_dc (DC_PROMPT); - mvaddstr (2, 2, "Chip: "); - mixer_dc (DC_TEXT); - sprintf (string, "%s", mixer_device_name); - max_len = mixer_max_x - 2 - 6 - 2; - if ((int)strlen (string) > max_len) - string[max_len] = 0; - addstr (string); - - /* lines - */ - mixer_dc (DC_FRAME); - for (i = 1; i < mixer_max_y - 1; i++) - { - mvaddch (i, 0, ACS_VLINE); - mvaddch (i, mixer_max_x - 1, ACS_VLINE); - } - for (i = 1; i < mixer_max_x - 1; i++) - { - mvaddch (0, i, ACS_HLINE); - mvaddch (mixer_max_y - 1, i, ACS_HLINE); - } - - /* corners - */ - mvaddch (0, 0, ACS_ULCORNER); - mvaddch (0, mixer_max_x - 1, ACS_URCORNER); - mvaddch (mixer_max_y - 1, 0, ACS_LLCORNER); - if (!mixer_no_lrcorner) - mvaddch (mixer_max_y - 1, mixer_max_x - 1, ACS_LRCORNER); - else - { - mvaddch (mixer_max_y - 2, mixer_max_x - 1, ACS_LRCORNER); - mvaddch (mixer_max_y - 2, mixer_max_x - 2, ACS_ULCORNER); - mvaddch (mixer_max_y - 1, mixer_max_x - 2, ACS_LRCORNER); - } - - /* left/right scroll indicators */ - switch (mixer_view) { - case VIEW_PLAYBACK: - case VIEW_CAPTURE: - case VIEW_CHANNELS: - if (mixer_cbar_height > 0) { - int ind_hgt = (mixer_cbar_height + 1) / 2; - int ind_ofs = mixer_max_y / 2 - ind_hgt/2; - /* left scroll possible? */ - if (mixer_first_vis_elem > 0) { - for (i = 0; i < ind_hgt; i++) - mvaddch (i + ind_ofs, 0, '<'); - } - /* right scroll possible? */ - if (mixer_first_vis_elem + mixer_n_vis_elems < mixer_n_view_elems) { - for (i = 0; i < ind_hgt; i++) - mvaddch (i + ind_ofs, mixer_max_x - 1, '>'); - } - } - break; - default: - break; - } - - /* program title - */ - sprintf (string, "%s v%s (Press Escape to quit)", PRGNAME_UPPER, VERSION); - max_len = strlen (string); - if (mixer_max_x >= max_len + 4) - { - mixer_dc (DC_PROMPT); - mvaddch (0, mixer_max_x / 2 - max_len / 2 - 1, '['); - mvaddch (0, mixer_max_x / 2 - max_len / 2 + max_len, ']'); - } - if (mixer_max_x >= max_len + 2) - { - mixer_dc (DC_TEXT); - mvaddstr (0, mixer_max_x / 2 - max_len / 2, string); - } -} - -static char* -mixer_offset_text (char **t, - int col, - int *length) -{ - char *p = *t; - char *r; - - while (*p && *p != '\n' && col--) - p++; - if (*p == '\n' || !*p) - { - if (*p == '\n') - p++; - *length = 0; - *t = p; - return p; - } - - r = p; - while (*r && *r != '\n' && (*length)--) - r++; - - *length = r - p; - while (*r && *r != '\n') - r++; - if (*r == '\n') - r++; - *t = r; - - return p; -} - -static void -mixer_show_text (char *title, - char *text, - int *xoffs, - int *yoffs) -{ - int tlines = 0, tcols = 0; - float hscroll, vscroll; - float hoffs, voffs; - char *p, *text_offs = text; - int x1, x2, y1, y2; - int i, n, l, r; - unsigned long block, stipple; - - /* coords - */ - x1 = 2; - x2 = mixer_max_x - 3; - y1 = 4; - y2 = mixer_max_y - 2; - - if ((y2 - y1) < 3 || (x2 - x1) < 3) - return; - - /* text dimensions - */ - l = 0; - for (p = text; *p; p++) - if (*p == '\n') - { - tlines++; - tcols = MAX (l, tcols); - l = 0; - } - else - l++; - tcols = MAX (l, tcols); - if (p > text && *(p - 1) != '\n') - tlines++; - - /* scroll areas / offsets - */ - l = x2 - x1 - 2; - if (l > tcols) - { - x1 += (l - tcols) / 2; - x2 = x1 + tcols + 1; - } - if (mixer_hscroll_delta) - { - *xoffs += mixer_hscroll_delta; - mixer_hscroll_delta = 0; - if (*xoffs < 0) - { - *xoffs = 0; - beep (); - } - else if (*xoffs > tcols - l - 1) - { - *xoffs = MAX (0, tcols - l - 1); - beep (); - } - } - if (tcols - l - 1 <= 0) - { - hscroll = 1; - hoffs = 0; - } - else - { - hscroll = ((float) l) / tcols; - hoffs = ((float) *xoffs) / (tcols - l - 1); - } - - l = y2 - y1 - 2; - if (l > tlines) - { - y1 += (l - tlines) / 2; - y2 = y1 + tlines + 1; - } - if (mixer_vscroll_delta) - { - *yoffs += mixer_vscroll_delta; - mixer_vscroll_delta = 0; - if (*yoffs < 0) - { - *yoffs = 0; - beep (); - } - else if (*yoffs > tlines - l - 1) - { - *yoffs = MAX (0, tlines - l - 1); - beep (); - } - } - if (tlines - l - 1 <= 0) - { - voffs = 0; - vscroll = 1; - } - else - { - vscroll = ((float) l) / tlines; - voffs = ((float) *yoffs) / (tlines - l - 1); - } - - /* colors - */ - mixer_dc (DC_ANY_4); - - /* corners - */ - mvaddch (y2, x2, ACS_LRCORNER); - mvaddch (y2, x1, ACS_LLCORNER); - mvaddch (y1, x1, ACS_ULCORNER); - mvaddch (y1, x2, ACS_URCORNER); - - /* left + upper border - */ - for (i = y1 + 1; i < y2; i++) - mvaddch (i, x1, ACS_VLINE); - for (i = x1 + 1; i < x2; i++) - mvaddch (y1, i, ACS_HLINE); - if (title) - { - l = strlen (title); - if (l <= x2 - x1 - 3) - { - mvaddch (y1, x1 + 1 + (x2 - x1 - l) / 2 - 1, '['); - mvaddch (y1, x1 + 1 + (x2 - x1 - l) / 2 + l, ']'); - } - if (l <= x2 - x1 - 1) - { - mixer_dc (DC_CBAR_LABEL); - mvaddstr (y1, x1 + 1 + (x2 - x1 - l) / 2, title); - } - mixer_dc (DC_ANY_4); - } - - stipple = ACS_CKBOARD; - block = ACS_BLOCK; - if (block == '#' && ACS_BOARD == '#') - { - block = stipple; - stipple = ACS_BLOCK; - } - - /* lower scroll border - */ - l = x2 - x1 - 1; - n = hscroll * l; - r = (hoffs + 1.0 / (2 * (l - n - 1))) * (l - n - 1); - for (i = 0; i < l; i++) - mvaddch (y2, i + x1 + 1, hscroll >= 1 ? ACS_HLINE : - i >= r && i <= r + n ? block : stipple); - - /* right scroll border - */ - l = y2 - y1 - 1; - n = vscroll * l; - r = (voffs + 1.0 / (2 * (l - n - 1))) * (l - n - 1); - for (i = 0; i < l; i++) - mvaddch (i + y1 + 1, x2, vscroll >= 1 ? ACS_VLINE : - i >= r && i <= r + n ? block : stipple); - - /* show text - */ - x1++; y1++; - for (i = 0; i < *yoffs; i++) - { - l = 0; - mixer_offset_text (&text_offs, 0, &l); - } - for (i = y1; i < y2; i++) - { - l = x2 - x1; - p = mixer_offset_text (&text_offs, *xoffs, &l); - n = x1; - while (l--) - mvaddch (i, n++, *p++); - while (n < x2) - mvaddch (i, n++, ' '); - } -} - -struct vbuffer -{ - char *buffer; - int size; - int len; -}; - -static void -vbuffer_kill (struct vbuffer *vbuf) -{ - if (vbuf->size) - free (vbuf->buffer); - vbuf->buffer = NULL; - vbuf->size = 0; - vbuf->len = 0; -} - -#define vbuffer_append_string(vb,str) vbuffer_append (vb, str, strlen (str)) -static void -vbuffer_append (struct vbuffer *vbuf, - char *text, - int len) -{ - if (vbuf->size - vbuf->len <= len) - { - vbuf->size += len + 1; - vbuf->buffer = realloc (vbuf->buffer, vbuf->size); - } - memcpy (vbuf->buffer + vbuf->len, text, len); - vbuf->len += len; - vbuf->buffer[vbuf->len] = 0; -} - -static int -vbuffer_append_file (struct vbuffer *vbuf, - char *name) -{ - int fd; - - fd = open (name, O_RDONLY); - if (fd >= 0) - { - char buffer[1025]; - int l; - - do - { - l = read (fd, buffer, 1024); - - vbuffer_append (vbuf, buffer, MAX (0, l)); - } - while (l > 0 || (l < 0 && (errno == EAGAIN || errno == EINTR))); - - close (fd); - - return 0; - } - else - return 1; -} - -static void -mixer_show_procinfo (void) -{ - struct vbuffer vbuf = { NULL, 0, 0 }; - - vbuffer_append_string (&vbuf, "\n"); - vbuffer_append_string (&vbuf, "/proc/asound/version:\n"); - vbuffer_append_string (&vbuf, "====================\n"); - if (vbuffer_append_file (&vbuf, "/proc/asound/version")) - { - vbuffer_kill (&vbuf); - mixer_procinfo_xoffs = mixer_procinfo_yoffs = 0; - mixer_show_text ("/proc", - " No /proc information available. ", - &mixer_procinfo_xoffs, &mixer_procinfo_yoffs); - return; - } - else - vbuffer_append_file (&vbuf, "/proc/asound/meminfo"); - - vbuffer_append_string (&vbuf, "\n"); - vbuffer_append_string (&vbuf, "/proc/asound/cards:\n"); - vbuffer_append_string (&vbuf, "===================\n"); - if (vbuffer_append_file (&vbuf, "/proc/asound/cards")) - vbuffer_append_string (&vbuf, "No information available.\n"); - - vbuffer_append_string (&vbuf, "\n"); - vbuffer_append_string (&vbuf, "/proc/asound/devices:\n"); - vbuffer_append_string (&vbuf, "=====================\n"); - if (vbuffer_append_file (&vbuf, "/proc/asound/devices")) - vbuffer_append_string (&vbuf, "No information available.\n"); - - vbuffer_append_string (&vbuf, "\n"); - vbuffer_append_string (&vbuf, "/proc/asound/oss/devices:\n"); - vbuffer_append_string (&vbuf, "=========================\n"); - if (vbuffer_append_file (&vbuf, "/proc/asound/oss/devices")) - vbuffer_append_string (&vbuf, "No information available.\n"); - - vbuffer_append_string (&vbuf, "\n"); - vbuffer_append_string (&vbuf, "/proc/asound/timers:\n"); - vbuffer_append_string (&vbuf, "====================\n"); - if (vbuffer_append_file (&vbuf, "/proc/asound/timers")) - vbuffer_append_string (&vbuf, "No information available.\n"); - - vbuffer_append_string (&vbuf, "\n"); - vbuffer_append_string (&vbuf, "/proc/asound/pcm:\n"); - vbuffer_append_string (&vbuf, "=================\n"); - if (vbuffer_append_file (&vbuf, "/proc/asound/pcm")) - vbuffer_append_string (&vbuf, "No information available.\n"); - - mixer_show_text ("/proc", vbuf.buffer, - &mixer_procinfo_xoffs, &mixer_procinfo_yoffs); - vbuffer_kill (&vbuf); -} - -static int -mixer_event (snd_mixer_t *mixer, unsigned int mask, snd_mixer_elem_t *elem) -{ - mixer_changed_state = 1; - return 0; -} - -static void -mixer_init (void) -{ - snd_ctl_card_info_t *hw_info; - snd_ctl_t *ctl_handle; - int err; - snd_ctl_card_info_alloca(&hw_info); - - if ((err = snd_ctl_open (&ctl_handle, card_id, 0)) < 0) - mixer_abort (ERR_OPEN, "snd_ctl_open", err); - if ((err = snd_ctl_card_info (ctl_handle, hw_info)) < 0) - mixer_abort (ERR_FCN, "snd_ctl_card_info", err); - snd_ctl_close (ctl_handle); - /* open mixer device - */ - if ((err = snd_mixer_open (&mixer_handle, 0)) < 0) - mixer_abort (ERR_FCN, "snd_mixer_open", err); - if (mixer_level == 0 && (err = snd_mixer_attach (mixer_handle, card_id)) < 0) - mixer_abort (ERR_FCN, "snd_mixer_attach", err); - if ((err = snd_mixer_selem_register (mixer_handle, mixer_level > 0 ? &mixer_options : NULL, NULL)) < 0) - mixer_abort (ERR_FCN, "snd_mixer_selem_register", err); - snd_mixer_set_callback (mixer_handle, mixer_event); - if ((err = snd_mixer_load (mixer_handle)) < 0) - mixer_abort (ERR_FCN, "snd_mixer_load", err); - - /* setup global variables - */ - strcpy(mixer_card_name, snd_ctl_card_info_get_name(hw_info)); - strcpy(mixer_device_name, snd_ctl_card_info_get_mixername(hw_info)); -} - -/* init mixer screen - */ -static void -recalc_screen_size (void) -{ - getmaxyx (mixer_window, mixer_max_y, mixer_max_x); - if (mixer_minimize) - { - mixer_max_x = MIXER_MIN_X; - mixer_max_y = MIXER_MIN_Y; - } - mixer_ofs_x = 2 /* extra begin padding: */ + 1; - - /* required allocations */ - mixer_n_vis_elems = (mixer_max_x - mixer_ofs_x * 2 + 1) / 9; - mixer_n_vis_elems = CLAMP (mixer_n_vis_elems, 1, mixer_n_view_elems); - mixer_extra_space = mixer_max_x - mixer_ofs_x * 2 + 1 - mixer_n_vis_elems * 9; - mixer_extra_space = MAX (0, mixer_extra_space / (mixer_n_vis_elems + 1)); - mixer_text_y = MIXER_TEXT_Y; - if (mixer_view == VIEW_PLAYBACK || mixer_view == VIEW_CHANNELS) - mixer_text_y += 2; /* row for mute switch */ - if (mixer_view == VIEW_CAPTURE || mixer_view == VIEW_CHANNELS) - mixer_text_y++; /* row for capture switch */ - if (mixer_text_y + MIXER_CBAR_STD_HGT < mixer_max_y) - mixer_cbar_height = MIXER_CBAR_STD_HGT + MAX (1, mixer_max_y - mixer_text_y - MIXER_CBAR_STD_HGT + 1) / 2; - else - mixer_cbar_height = MAX (1, mixer_max_y - mixer_text_y); -} - -static void -mixer_reinit (void) -{ - snd_mixer_elem_t *elem; - int idx, elem_index, i, j, selem_count; - snd_mixer_selem_id_t *sid; - snd_mixer_selem_id_t *focus_gid; - int focus_type = -1; - snd_mixer_selem_id_alloca(&focus_gid); - - if (!mixer_changed_state) - return; - if (mixer_sid) { - snd_mixer_selem_id_copy(focus_gid, (snd_mixer_selem_id_t *)(((char *)mixer_sid) + snd_mixer_selem_id_sizeof() * mixer_grpidx[mixer_focus_elem])); - focus_type = mixer_type[mixer_focus_elem] & MIXER_ELEM_TYPE_MASK; - } -__again: - mixer_changed_state = 0; - if (mixer_sid != NULL) - free(mixer_sid); - selem_count = snd_mixer_get_count(mixer_handle); - mixer_sid = malloc(snd_mixer_selem_id_sizeof() * selem_count); - if (mixer_sid == NULL) - mixer_abort (ERR_FCN, "malloc", 0); - - mixer_n_selems = 0; - for (elem = snd_mixer_first_elem(mixer_handle); elem; elem = snd_mixer_elem_next(elem)) { - sid = (snd_mixer_selem_id_t *)(((char *)mixer_sid) + snd_mixer_selem_id_sizeof() * mixer_n_selems); - if (mixer_changed_state) - goto __again; - if (!snd_mixer_selem_is_active(elem)) - continue; - snd_mixer_selem_get_id(elem, sid); - mixer_n_selems++; - } - - mixer_n_elems = 0; - for (idx = 0; idx < mixer_n_selems; idx++) { - int nelems_added = 0; - sid = (snd_mixer_selem_id_t *)(((char *)mixer_sid) + snd_mixer_selem_id_sizeof() * idx); - if (mixer_changed_state) - goto __again; - elem = snd_mixer_find_selem(mixer_handle, sid); - if (elem == NULL) - CHECK_ABORT (ERR_FCN, "snd_mixer_find_selem()", -EINVAL); - for (i = 0; i < MIXER_ELEM_CAPTURE; i++) { - int ok; - for (j = ok = 0; j < 2; j++) { - if (mixer_changed_state) - goto __again; - if (snd_mixer_selem_has_playback_channel(elem, mixer_elem_chn[i][j])) - ok++; - } - if (ok) { - nelems_added++; - mixer_n_elems++; - } - } - if (snd_mixer_selem_has_capture_volume(elem) || - (nelems_added == 0 && snd_mixer_selem_has_capture_switch(elem))) - mixer_n_elems++; - } - - if (mixer_type) - free(mixer_type); - mixer_type = (int *)calloc(mixer_n_elems, sizeof(int)); - if (mixer_type == NULL) - mixer_abort(ERR_FCN, "malloc", 0); - if (mixer_grpidx) - free(mixer_grpidx); - mixer_grpidx = (int *)calloc(mixer_n_elems, sizeof(int)); - if (mixer_grpidx == NULL) - mixer_abort(ERR_FCN, "malloc", 0); - elem_index = 0; - for (idx = 0; idx < mixer_n_selems; idx++) { - int nelems_added = 0; - sid = (snd_mixer_selem_id_t *)(((char *)mixer_sid) + snd_mixer_selem_id_sizeof() * idx); - if (mixer_changed_state) - goto __again; - elem = snd_mixer_find_selem(mixer_handle, sid); - if (elem == NULL) - CHECK_ABORT (ERR_FCN, "snd_mixer_find_selem()", -EINVAL); - if ( (mixer_view == VIEW_PLAYBACK) || (mixer_view == VIEW_CHANNELS) ) { - for (i = MIXER_ELEM_FRONT; i <= MIXER_ELEM_SIDE; i++) { - int ok; - for (j = ok = 0; j < 2; j++) { - if (mixer_changed_state) - goto __again; - if (snd_mixer_selem_has_playback_channel(elem, mixer_elem_chn[i][j])) - ok++; - } - if (ok) { - sid = (snd_mixer_selem_id_t *)(((char *)mixer_sid) + snd_mixer_selem_id_sizeof() * idx); - mixer_grpidx[elem_index] = idx; - if (snd_mixer_selem_is_enumerated(elem)) { - if (mixer_view == VIEW_PLAYBACK && - snd_mixer_selem_is_enum_capture(elem)) - continue; - mixer_type[elem_index] = MIXER_ELEM_ENUM; - } else { - mixer_type[elem_index] = i; - if (i == 0 && snd_mixer_selem_has_playback_switch(elem)) - mixer_type[elem_index] |= MIXER_ELEM_MUTE_SWITCH; - if (snd_mixer_selem_has_playback_volume(elem)) - mixer_type[elem_index] |= MIXER_ELEM_HAS_VOLUME; - } - if (mixer_view == VIEW_CHANNELS) { - if (nelems_added == 0 && - ! snd_mixer_selem_has_capture_volume(elem) && - snd_mixer_selem_has_capture_switch(elem)) - mixer_type[elem_index] |= MIXER_ELEM_CAPTURE_SWITCH; - } - elem_index++; - nelems_added++; - if (elem_index >= mixer_n_elems) - break; - } - } - } - - if ( (mixer_view == VIEW_CAPTURE) || (mixer_view == VIEW_CHANNELS) ) { - int do_add = 0; - if (snd_mixer_selem_has_capture_volume(elem) && - (mixer_view == VIEW_CAPTURE || !snd_mixer_selem_has_common_volume(elem))) - do_add = 1; - if (!do_add && - (nelems_added == 0 && snd_mixer_selem_has_capture_switch(elem)) && - (mixer_view == VIEW_CAPTURE || !snd_mixer_selem_has_common_switch(elem))) - do_add = 1; - if (!do_add && - mixer_view == VIEW_CAPTURE && snd_mixer_selem_is_enum_capture(elem)) - do_add = 1; - - if (do_add) { - mixer_grpidx[elem_index] = idx; - if (snd_mixer_selem_is_enum_capture(elem)) - mixer_type[elem_index] = MIXER_ELEM_CAPTURE_ENUM; - else { - mixer_type[elem_index] = MIXER_ELEM_CAPTURE; - if (nelems_added == 0 && snd_mixer_selem_has_capture_switch(elem)) - mixer_type[elem_index] |= MIXER_ELEM_CAPTURE_SWITCH; - if (nelems_added) - mixer_type[elem_index] |= MIXER_ELEM_CAPTURE_SUFFIX; - if (snd_mixer_selem_has_capture_volume(elem)) - mixer_type[elem_index] |= MIXER_ELEM_HAS_VOLUME; - } - elem_index++; - if (elem_index >= mixer_n_elems) - break; - } - } - } - - mixer_n_view_elems = elem_index; - recalc_screen_size(); - mixer_focus_elem = 0; - if (focus_type >= 0) { - for (elem_index = 0; elem_index < mixer_n_view_elems; elem_index++) { - sid = (snd_mixer_selem_id_t *)(((char *)mixer_sid) + snd_mixer_selem_id_sizeof() * mixer_grpidx[elem_index]); - if (!strcmp(snd_mixer_selem_id_get_name(focus_gid), - snd_mixer_selem_id_get_name(sid)) && - snd_mixer_selem_id_get_index(focus_gid) == - snd_mixer_selem_id_get_index(sid) && - (mixer_type[elem_index] & MIXER_ELEM_TYPE_MASK) == focus_type) { - mixer_focus_elem = elem_index; - break; - } - } - } - - if (mixer_changed_state) - goto __again; -} - -static void -mixer_init_window (void) -{ - /* initialize ncurses - */ - setlocale(LC_CTYPE, ""); - mixer_window = initscr (); - curs_set (0); /* hide the cursor */ - - mixer_no_lrcorner = tigetflag ("xenl") != 1 && tigetflag ("am") != 1; - - if (mixer_do_color) - mixer_do_color = has_colors (); - mixer_init_draw_contexts (); - - /* react on key presses - */ - cbreak (); - noecho (); - leaveok (mixer_window, TRUE); - keypad (mixer_window, TRUE); - GETCH_BLOCK (1); - - recalc_screen_size(); - - mixer_clear (TRUE); -} - -static void -mixer_resize (void) -{ - struct winsize winsz = { 0, }; - - mixer_needs_resize = 0; - - if (ioctl (fileno (stdout), TIOCGWINSZ, &winsz) >= 0 && - winsz.ws_row && winsz.ws_col) - { - keypad (mixer_window, FALSE); - leaveok (mixer_window, FALSE); - - endwin (); - - mixer_max_x = MAX (2, winsz.ws_col); - mixer_max_y = MAX (2, winsz.ws_row); - - /* humpf, i don't get it, if only the number of rows change, - * ncurses will segfault shortly after (could trigger that with mc as well). - */ - resizeterm (mixer_max_y + 1, mixer_max_x + 1); - resizeterm (mixer_max_y, mixer_max_x); - - mixer_init_window (); - - if (mixer_max_x < MIXER_MIN_X || - mixer_max_y < MIXER_MIN_Y) - beep (); // mixer_abort (ERR_WINSIZE, ""); - - mixer_have_old_focus = 0; - } -} - -static void -mixer_set_delta(int delta) -{ - int grp; - - for (grp = 0; grp < 2; grp++) - mixer_volume_delta[grp] = delta; -} - -static void -mixer_add_delta(int delta) -{ - int grp; - - for (grp = 0; grp < 2; grp++) - mixer_volume_delta[grp] += delta; -} - -static int -mixer_iteration (void) -{ - int count, err; - struct pollfd *fds; - int finished = 0; - int key = 0; - int old_view; - unsigned short revents; - - /* setup for select on stdin and the mixer fd */ - if ((count = snd_mixer_poll_descriptors_count(mixer_handle)) < 0) - mixer_abort (ERR_FCN, "snd_mixer_poll_descriptors_count", count); - fds = calloc(count + 1, sizeof(struct pollfd)); - if (fds == NULL) - mixer_abort (ERR_FCN, "malloc", 0); - fds->fd = fileno(stdin); - fds->events = POLLIN; - if ((err = snd_mixer_poll_descriptors(mixer_handle, fds + 1, count)) < 0) - mixer_abort (ERR_FCN, "snd_mixer_poll_descriptors", err); - if (err != count) - mixer_abort (ERR_FCN, "snd_mixer_poll_descriptors (err != count)", 0); - - finished = poll(fds, count + 1, -1); - - /* don't abort on handled signals */ - if (finished < 0 && errno == EINTR) - finished = 0; - if (mixer_needs_resize) - mixer_resize (); - - if (finished > 0) { - if (fds->revents & POLLIN) { - key = getch (); - finished--; - } - } else { - key = 0; - } - - if (finished > 0) { - if (snd_mixer_poll_descriptors_revents(mixer_handle, fds + 1, count, &revents) >= 0) { - if (revents & POLLNVAL) - mixer_abort (ERR_FCN, "snd_mixer_poll_descriptors (POLLNVAL)", 0); - if (revents & POLLERR) - mixer_abort (ERR_FCN, "snd_mixer_poll_descriptors (POLLERR)", 0); - if (revents & POLLIN) - snd_mixer_handle_events(mixer_handle); - } - } - - finished = 0; - free(fds); - - old_view = mixer_view; - -#if 0 /* DISABLED: it's not so usefull rather annoying... */ - /* feature Escape prefixing for some keys */ - if (key == 27) - { - GETCH_BLOCK (0); - key = getch (); - GETCH_BLOCK (1); - switch (key) - { - case 9: /* Tab */ - key = KEY_BTAB; - break; - default: - key = 27; - break; - } - } -#endif /* DISABLED */ - - /* general keys */ - switch (key) - { - case 0: - /* ignore */ - break; - case 27: /* Escape */ - case KEY_F (10): - finished = 1; - key = 0; - break; - case 13: /* Return */ - case 10: /* NewLine */ - if (mixer_view != mixer_view_saved) { - mixer_view = mixer_view_saved; - mixer_changed_state=1; - mixer_reinit (); - } - key = 0; - break; - case 'h': - case 'H': - case '?': - case KEY_F (1): - mixer_view = VIEW_HELP; - key = 0; - break; - case '/': - case KEY_F (2): - mixer_view = VIEW_PROCINFO; - key = 0; - break; - case KEY_F (3): - if (mixer_view == VIEW_PLAYBACK) { - mixer_clear (FALSE); - } else { - mixer_view = mixer_view_saved = VIEW_PLAYBACK; - mixer_changed_state=1; - mixer_reinit (); - } - key = 0; - break; - case KEY_F (4): - if (mixer_view == VIEW_CAPTURE) { - mixer_clear (FALSE); - } else { - mixer_view = mixer_view_saved = VIEW_CAPTURE; - mixer_changed_state=1; - mixer_reinit (); - } - key = 0; - break; - case KEY_F (5): - if (mixer_view == VIEW_CHANNELS) { - mixer_clear (FALSE); - } else { - mixer_view = mixer_view_saved = VIEW_CHANNELS; - mixer_changed_state=1; - mixer_reinit (); - } - key = 0; - break; - case 9: /* Tab */ - if (mixer_view >= VIEW_CHANNELS && mixer_view <= VIEW_CAPTURE) { - mixer_view = (mixer_view + 1) % 3 + VIEW_CHANNELS; - mixer_view_saved = mixer_view; - mixer_changed_state = 1; - mixer_reinit (); - key = 0; - } - break; - case '\014': - case 'L': - case 'l': - mixer_clear (TRUE); - break; - } - - if (key && (mixer_view == VIEW_HELP || - mixer_view == VIEW_PROCINFO)) - switch (key) - { - case 9: /* Tab */ - mixer_hscroll_delta += 8; - break; - case KEY_BTAB: - mixer_hscroll_delta -= 8; - break; - case KEY_A1: - mixer_hscroll_delta -= 1; - mixer_vscroll_delta -= 1; - break; - case KEY_A3: - mixer_hscroll_delta += 1; - mixer_vscroll_delta -= 1; - break; - case KEY_C1: - mixer_hscroll_delta -= 1; - mixer_vscroll_delta += 1; - break; - case KEY_C3: - mixer_hscroll_delta += 1; - mixer_vscroll_delta += 1; - break; - case KEY_RIGHT: - case 'n': - mixer_hscroll_delta += 1; - break; - case KEY_LEFT: - case 'p': - mixer_hscroll_delta -= 1; - break; - case KEY_UP: - case 'w': - case 'W': - mixer_vscroll_delta -= 1; - break; - case KEY_DOWN: - case 'x': - case 'X': - mixer_vscroll_delta += 1; - break; - case KEY_PPAGE: - case 'B': - case 'b': - mixer_vscroll_delta -= (mixer_max_y - 5) / 2; - break; - case KEY_NPAGE: - case ' ': - mixer_vscroll_delta += (mixer_max_y - 5) / 2; - break; - case KEY_BEG: - case KEY_HOME: - mixer_hscroll_delta -= 0xffffff; - break; - case KEY_LL: - case KEY_END: - mixer_hscroll_delta += 0xffffff; - break; - } - - if (key && - ((mixer_view == VIEW_CHANNELS) || - (mixer_view == VIEW_PLAYBACK) || - (mixer_view == VIEW_CAPTURE)) ) - switch (key) - { - case KEY_RIGHT: - case 'n': - mixer_focus_elem += 1; - break; - case KEY_LEFT: - case 'p': - mixer_focus_elem -= 1; - break; - case KEY_PPAGE: - mixer_set_delta(5); - break; - case KEY_NPAGE: - mixer_set_delta(-5); - break; -#if 0 - case KEY_BEG: - case KEY_HOME: - mixer_set_delta(100); - break; -#endif - case KEY_LL: - case KEY_END: - mixer_set_delta(-100); - break; - case '+': - mixer_set_delta(1); - break; - case '-': - mixer_set_delta(-1); - break; - case 'w': - case KEY_UP: - mixer_set_delta(1); - case 'W': - mixer_add_delta(1); - break; - case 'x': - case KEY_DOWN: - mixer_set_delta(-1); - case 'X': - mixer_add_delta(-1); - break; - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - mixer_volume_absolute = 10 * (key - '0'); - break; - case 'q': - mixer_volume_delta[MIXER_CHN_LEFT] = 1; - case 'Q': - mixer_volume_delta[MIXER_CHN_LEFT] += 1; - break; - case 'y': - case 'z': - mixer_volume_delta[MIXER_CHN_LEFT] = -1; - case 'Y': - case 'Z': - mixer_volume_delta[MIXER_CHN_LEFT] += -1; - break; - case 'e': - mixer_volume_delta[MIXER_CHN_RIGHT] = 1; - case 'E': - mixer_volume_delta[MIXER_CHN_RIGHT] += 1; - break; - case 'c': - mixer_volume_delta[MIXER_CHN_RIGHT] = -1; - case 'C': - mixer_volume_delta[MIXER_CHN_RIGHT] += -1; - break; - case 'm': - case 'M': - mixer_toggle_mute |= MIXER_MASK_STEREO; - break; - case 'b': - case 'B': - case '=': - mixer_balance_volumes = 1; - break; - case '<': - case ',': - mixer_toggle_mute |= MIXER_MASK_LEFT; - break; - case '>': - case '.': - mixer_toggle_mute |= MIXER_MASK_RIGHT; - break; - case ' ': - mixer_toggle_capture |= MIXER_MASK_STEREO; - break; - case KEY_IC: - case ';': - mixer_toggle_capture |= MIXER_MASK_LEFT; - break; - case '\'': - case KEY_DC: - mixer_toggle_capture |= MIXER_MASK_RIGHT; - break; - } - - if (old_view != mixer_view) - mixer_clear (FALSE); - - if (! mixer_n_view_elems) - mixer_focus_elem = 0; - else - mixer_focus_elem = CLAMP (mixer_focus_elem, 0, mixer_n_view_elems - 1); - - return finished; -} - -static void -mixer_winch (void) -{ - signal (SIGWINCH, (void*) mixer_winch); - - mixer_needs_resize++; -} - -static void -mixer_signal_handler (int signal) -{ - if (signal != SIGSEGV) - mixer_abort (ERR_SIGNAL, strsignal(signal), 0); - else - { - fprintf (stderr, "\nSegmentation fault.\n"); - _exit (11); - } -} - -int -main (int argc, - char **argv) -{ - int opt; - - /* parse args - */ - do - { - opt = getopt (argc, argv, "c:D:shgV:a:"); - switch (opt) - { - case '?': - case 'h': - printf ("%s v%s\n", PRGNAME_UPPER, VERSION); - printf ("Usage: %s [-h] [-c <card: 0...7>] [-D <mixer device>] [-g] [-s] [-V <view>] [-a <abst>]\n", PRGNAME); - return 1; - case 'c': - { - int i = snd_card_get_index(optarg); - if (i < 0 || i > 31) { - fprintf (stderr, "wrong -c argument '%s'\n", optarg); - mixer_abort (ERR_NONE, "", 0); - } - sprintf(card_id, "hw:%i", i); - } - break; - case 'D': - strncpy(card_id, optarg, sizeof(card_id)); - card_id[sizeof(card_id)-1] = '\0'; - break; - case 'g': - mixer_do_color = !mixer_do_color; - break; - case 's': - mixer_minimize = 1; - break; - case 'V': - if (*optarg == 'p' || *optarg == 'P') - mixer_view = VIEW_PLAYBACK; - else if (*optarg == 'c' || *optarg == 'C') - mixer_view = VIEW_CAPTURE; - else - mixer_view = VIEW_CHANNELS; - break; - case 'a': - mixer_level = 1; - memset(&mixer_options, 0, sizeof(mixer_options)); - mixer_options.ver = 1; - if (!strcmp(optarg, "none")) - mixer_options.abstract = SND_MIXER_SABSTRACT_NONE; - else if (!strcmp(optarg, "basic")) - mixer_options.abstract = SND_MIXER_SABSTRACT_BASIC; - else { - fprintf(stderr, "Select correct abstraction level (none or basic)...\n"); - mixer_abort (ERR_NONE, "", 0); - } - break; - } - } - while (opt > 0); - - mixer_options.device = card_id; - - /* initialize mixer - */ - mixer_init (); - mixer_reinit (); - - if (mixer_n_elems == 0) { - fprintf(stderr, "No mixer elems found\n"); - mixer_abort (ERR_NONE, "", 0); - } - - /* setup signal handlers - */ - signal (SIGINT, mixer_signal_handler); - signal (SIGTRAP, mixer_signal_handler); - // signal (SIGABRT, mixer_signal_handler); - signal (SIGQUIT, mixer_signal_handler); - signal (SIGBUS, mixer_signal_handler); - signal (SIGSEGV, mixer_signal_handler); - signal (SIGPIPE, mixer_signal_handler); - signal (SIGTERM, mixer_signal_handler); - - /* initialize ncurses - */ - mixer_init_window (); - if (mixer_max_x < MIXER_MIN_X || - mixer_max_y < MIXER_MIN_Y) - beep (); // mixer_abort (ERR_WINSIZE, ""); - - signal (SIGWINCH, (void*) mixer_winch); - - do - { - /* draw window upon every iteration */ - if (!mixer_needs_resize) - { - switch (mixer_view) - { - case VIEW_CHANNELS: - case VIEW_PLAYBACK: - case VIEW_CAPTURE: - mixer_update_cbars (); - break; - case VIEW_HELP: - mixer_show_text ("Help", mixer_help_text, &mixer_help_xoffs, &mixer_help_yoffs); - break; - case VIEW_PROCINFO: - mixer_show_procinfo (); - break; - } - mixer_draw_frame (); - refresh (); - } - } - while (!mixer_iteration ()); - - mixer_abort (ERR_NONE, "", 0); -} |